Beans generally refer to all leguminous plants that can produce pods, and are also commonly used to refer to leguminous crops used as food and feed in the subfamily Papilionidae. There are many kinds of leguminous plants, with nearly 20,000 species in the world. Most of them are used as vegetables, such as peas, kidney beans, sword beans, etc., but also as oil crops and auxiliary staple foods of food, such as making bean noodles with soybeans and red bean paste with adzuki beans. Leguminous plants generally have rhizobia, which can help to absorb nitrogen in the air, so the protein content is high and the nutrition is rich.
Jujube, dried jujube, jujube and jujube originated in China and have been planted in China for more than 4,000 years. Since ancient times, they have been listed as one of the "five fruits" (peach, plum, plum, apricot and jujube). The most prominent feature of jujube is its high vitamin content, which has the reputation of "natural vitamin pill" and has the effect of nourishing yin and tonifying yang. Jujube is a temperate crop with strong adaptability. Jujube is known as the "hardcore crop" and has the characteristics of drought and waterlogging tolerance, so it is the first choice for developing water-saving forest and fruit industry. Contains substances that inhibit cancer cells and even transform cancer cells into normal cells. People who often eat fresh dates rarely suffer from gallstones, because the rich vitamin C in fresh dates turns excess cholesterol into bile acids.